code: def export_unsqueeze_three_axes() -> None:
      x = np.random.randn(3, 4, 5).astype(np.float32)
      axes = np.array([2, 4, 5]).astype(np.int64)
  
      node = onnx.helper.make_node(
          "Unsqueeze",
          inputs=["x", "axes"],
          outputs=["y"],
      )
      y = np.expand_dims(x, axis=2)
      y = np.expand_dims(y, axis=4)
      y = np.expand_dims(y, axis=5)
  
      expect(
          node,
          inputs=[x, axes],
          outputs=[y],
          name="test_unsqueeze_three_axes",
      )
  
file_path: onnx/onnx/backend/test/case/node/unsqueeze.py
imports: import numpy
  import onnx
  from onnx.backend.test.case.base import Base
  from onnx.backend.test.case.node import expect
label_desc: Use image node_id 3 for calling the Unsqueeze obj's underlying member method code with example usage: obj.export_unsqueeze_three_axes() without return types